add tests for collections search links #617

Job	Run time
sdist	8s
changes	6s
linux (x86_64)	1m 0s
linux (x86)	56s
macos (x86_64)	24s
windows (x64)	1m 15s
linux (aarch64)	1m 21s
macos (aarch64)	20s
windows (x86)	2m 30s
linux (armv7)	1m 24s
linux (s390x)	1m 17s
linux (ppc64le)	1m 17s
Build and push base postgres image	10s
Build and push base pyrust	9s
test	0s
	12m 17s

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